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Finding the Fourth Proportional to 173,090.60, 259,733.10 and 73,233.80

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Solution

The fourth proportional to 173,090.60, 259,733.10 and 73,233.80 is: 109,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,090.60 : 259,733.10 = 73,233.80 : x
  2. Step 2: Convert to fraction form
    173,090.60/259,733.10 = 73,233.80/x
  3. Step 3: Cross multiply
    173,090.60x = 259,733.10 × 73,233.80
  4. Step 4: Simplify right side
    173,090.60x = 19,021,241,898.78
  5. Step 5: Solve for x
    x = 19,021,241,898.78/173,090.60
  6. Step 6: Final answer
    x = 109,891.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.